deltatrials
Terminated OBSERVATIONAL NCT00675753

Three Interacting Single Nucleotide Polymorphisms (SNPs) and the Risk of Preterm Birth in Black Families

Genetic Variations in Three Interacting Single Nucleotide Polymorphisms and the Risk of Preterm Birth in Black Families

Sponsor: Pediatrix

Conditions Premature Birth
Interventions Blood spot specimens will be drawn
Updated 13 times since 2017 Last updated: Dec 16, 2015 Started: Sep 30, 2008 Primary completion: Aug 31, 2009 Completion: Aug 31, 2009
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Study site did not have sufficient subjects for the case group

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This observational or N/A phase trial investigates Premature Birth and is currently terminated or withdrawn. Pediatrix leads this study, which shows 13 recorded versions since 2008 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2017 – ~Aug 2017 · 7 months · monthly snapshot~Aug 2017 – ~Feb 2018 · 6 months · monthly snapshot~Feb 2018 – ~Apr 2018 · 59 days · monthly snapshot~Apr 2018 – ~May 2018 · 30 days · monthly snapshot~May 2018 – ~Jun 2018 · 31 days · monthly snapshot~Jun 2018 – ~Nov 2020 · 29 months · monthly snapshot~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshot~Jan 2021 – ~Dec 2021 · 11 months · monthly snapshot~Dec 2021 – ~Feb 2023 · 14 months · monthly snapshot~Feb 2023 – ~Jul 2024 · 17 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 10 months · monthly snapshot

Change History

13 versions recorded

  1. Sep 2025 — Present [monthly]

    Terminated

  2. Sep 2024 — Sep 2025 [monthly]

    Terminated

  3. Jul 2024 — Sep 2024 [monthly]

    Terminated

  4. Feb 2023 — Jul 2024 [monthly]

    Terminated

  5. Dec 2021 — Feb 2023 [monthly]

    Terminated

▶ Show 8 earlier versions

  1. Jan 2021 — Dec 2021 [monthly]

    Terminated

  2. Nov 2020 — Jan 2021 [monthly]

    Terminated

  3. Jun 2018 — Nov 2020 [monthly]

    Terminated

  4. May 2018 — Jun 2018 [monthly]

    Terminated

  5. Apr 2018 — May 2018 [monthly]

    Terminated

    Phase: NA → None

  6. Feb 2018 — Apr 2018 [monthly]

    Terminated NA

  7. Aug 2017 — Feb 2018 [monthly]

    Terminated NA

  8. Jan 2017 — Aug 2017 [monthly]

    Terminated NA

    First recorded

Sep 2008

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Pediatrix
  • University of Miami
Data source: University of Miami

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations